If there are 20,000 Kcals available at the first trophic level, how many Kcals are available when we arrive at the Level 4? Level 5? Write the amount of energy available at levels 4 and 5.

Ashort, vertical, solid, or fleshy stem possessed by gladiolus and which is used in reproduction is termed a . termed a .

Surrounded by microtubules, located near the nucleus. (don't try to google it) (give answer only if u know)

Which best describes how the common cold spreads in the human body? a bacteria burst out of normal cells killing them b viruses replicate inside respiratory cells c bacteria inject dna into normal cells d viruses insert dna into bacteria